Sennheiser are top of their game and are a well renowned brand in regards to audio products. Since our last look at the awesome GAME ZERO headset, they have recently released a trio of headsets for gamers. As the 'mid-range' offerings, the GSP 300/350 are more similar in design, and are priced comparably to the likes of the Creative Sound BlasterX H5/H7, along with a respective feature set.